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java.lang.IllegalStateException: zip file closed	at java.util.zip.ZipFile.ensureOpen(ZipFile.java:403)	at java.util.zip.ZipFile.getEntry(ZipFile.java:148)	at java.util.jar.JarFile.getEntry(JarFile.java:208)	at org.apache.felix.framework.util.JarFileX.getEntry(JarFileX.java:61)	at org.apache.felix.framework.cache.JarContent.getEntryAsBytes(JarContent.java:120)	at org.apache.felix.framework.ModuleImpl$ModuleClassLoader.findClass(ModuleImpl.java:1781)	at org.apache.felix.framework.ModuleImpl.findClassOrResourceByDelegation(ModuleImpl.java:758)	at org.apache.felix.framework.ModuleImpl.access$100(ModuleImpl.java:61)	at org.apache.felix.framework.ModuleImpl$ModuleClassLoader.loadClass(ModuleImpl.java:1733)	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)	at org.springframework.roo.process.manager.internal.DefaultProcessManager.logException(DefaultProcessManager.java:143)	at org.springframework.roo.process.manager.internal.DefaultProcessManager.backgroundPoll(DefaultProcessManager.java:117)	at org.springframework.roo.process.manager.internal.DefaultProcessManager.timerBasedPoll(DefaultProcessManager.java:225)	at org.springframework.roo.process.manager.internal.DefaultProcessManager$2.run(DefaultProcessManager.java:75)	at java.util.TimerThread.mainLoop(Timer.java:512)	at java.util.TimerThread.run(Timer.java:462)